Property, Plant and Equipment (Details Textual) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
|
| Property, Plant and Equipment (Textual) | ||||
| Depreciation expense | $ 664,400 | $ 677,395 | $ 1,951,986 | $ 2,212,731 |